36 lines
924 B
C++
36 lines
924 B
C++
#include <algorithm>
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#include <cassert>
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#include <numeric>
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#include <vector>
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class Solution {
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public:
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std::vector<int> getSumAbsoluteDifferences(const std::vector<int>& nums) {
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auto total = std::accumulate(nums.begin(), nums.end(), 0);
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auto left = 0;
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std::vector<int> result;
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for (auto i = 0u; i < nums.size(); ++i) {
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auto left_diff = i * nums[i] - left;
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auto right = total - nums[i] - left;
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auto right_diff = right - (nums.size() - i - 1) * nums[i];
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result.push_back(left_diff + right_diff);
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left += nums[i];
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}
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return result;
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}
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};
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int main() {
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Solution s;
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assert((s.getSumAbsoluteDifferences(std::vector{2, 3, 5}) ==
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std::vector{4, 3, 5}));
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assert((s.getSumAbsoluteDifferences(std::vector{1, 4, 6, 8, 10}) ==
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std::vector{24, 15, 13, 15, 21}));
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return 0;
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}
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